Home / 27,319.02-37,699.83-15,382.32

Finding the Fourth Proportional to 27,319.02, 37,699.83 and 15,382.32

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Solution

The fourth proportional to 27,319.02, 37,699.83 and 15,382.32 is: 21,227.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.02 : 37,699.83 = 15,382.32 : x
  2. Step 2: Convert to fraction form
    27,319.02/37,699.83 = 15,382.32/x
  3. Step 3: Cross multiply
    27,319.02x = 37,699.83 × 15,382.32
  4. Step 4: Simplify right side
    27,319.02x = 579,910,849.01
  5. Step 5: Solve for x
    x = 579,910,849.01/27,319.02
  6. Step 6: Final answer
    x = 21,227.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.